To rename a column using Table Designer. In Object Explorer, right-click the table to which you want to rename columns and choose Design. Under Column Name, select the name you want to change and type a new one.On the File menu, click Save table name.o rename a column using Object Explorer. In Object Explorer, connect to an instance of Database Engine. In Object Explorer, right-click the table in which you want to rename columns and choose Rename. Type a new column name.
In this theory Darwin proposes that 'natural selection' is the mechanism by which evolution functions. Natural selection is a change in the allele frequencies of a species which allows that species to better survive in it's environment.
1 There are several theories that try to explain the mechanism of organic evolution.  Lamarckism is one of the earliest theories on evolution proposed by J.B.Lamarck. According to Lamarckism, organic evolution occurs due to the inheritance of acquired characters.